Iodine-131 is used in the diagnosis and treatment of thy- roid disease and has a half-life of 8.1 days. If a patient with thyroid disease consumes a sample of Na'3'I con- taining 10. µg of 1311, how long will it take for the amount of 1311 to decrease to 1/100 of the original amount?

Q: 1) Write the general rate law equation for the reaction Acetone (C,H,0(a) + Haa) + lodine (1z(aq)) C...

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) The reaction ...

Q: temperature do you think the enzyme will function optimally

A:

Q: how many grams of barium hydroxide will be used up in the reaction with hydrochloric acid to produce...

A: Mole can be defined as a scientific unit for measuring large quantities of very small entities such ...

Q: 1. In both the starting material and product the chemical shift of the hydroxyl proton is approximat...

A: Electron withdrawing group and intramolecular hydrogen bond interaction make a proton deshielded and...

Q: concentration, mM Amax cobalt|^max copper 20.00 0.177 0.238 40.00 60.00 0.382 0.518 0.487 0.731 80.0...

A: Given : We have to calculate molar absorptivity of copper at lambda max cobalt.

Q: A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz (MHz)...

A:

Q: True or False. The following tertiary alcohol can be produced by an ester and excess Grignard Reagen...

A: A question based on alcohol that is to be accomplished.

Q: Which of the following statements is NOT true about Fermi Resonance? O t results from coupling of a ...

A: When fundamental vibration couple with overtones formed Fermi resonance . Due to this coupling the e...

Q: In a typical AAS what is the ouput of the istrument given out as data? % composition O voltage O Abs...

A:

Q: A sample of chloroform has a mass of 62.6 g and occupies 42.0 mL.  How to calculate the density of c...

A: Here we have to find density of chloroform having mass 62.6 g and volume 42.0ml

Q: Consider the equilibrium system described by the chemical reaction below, which has a value of Kc eq...

A: The given reaction is : Kc for the reaction = 7.1 x 10-4

Q: The osmotic pressure of blood at 37o C is 7.6 atm. A solution that is given intravenously must hav...

A: Osmotic pressure  = 7.6 atm  Temperature = 37 °C   Molarity of glucose solution = ?   

Q: Based on the given data, what is the Àmax of copp 0.1 M Copper 300 0.157 325 0.233 350 0.465 375 0.5...

A: Given : We have to tell lambda max for 0.1 M copper.

Q: Fructose is a very sweet natural sugar that is present in honey, fruits, and fruit juices. It has a ...

A: Given that, %C= 40% %H=6.7% %O=53.3% Molar mass of Fructose=180.1 g mol-1 Then,  

Q: You want to make a solution of loading dye with a final concentration of 0.35% bromophenol blue, 0.1...

A: Part 1 0.35 % Bromophenol blue = 0.35% * 60 ml = 0.21 ml = 0.21 grams   0.15 % Xylene Cyanol = 0.15%...

Q: How much eugenol is found in cloves?

A:

Q: Draw the 2D and the 3D Lewis structure for each molecule. You do not need to show resonance structur...

A:  Lewis structure  -               It is simplify  representation  of valance shell electrons in mole...

Q: What is Chemical bonding

A: Chemical bond : It is a kind of electrostatic force of attraction.

Q: The van der Waals equation of state was designed (by Dutch physicist Johannes van der Waals) to pred...

A: Since you have posted questions with multiple subparts, we are entitled to answer the first 3 only. ...

Q: What are the bond angles for a central atom with 2 atoms bonded to it?

A: VSEPR theory: The structure of a molecule can be determined by using the VSEPR theory. According to ...

Q: Flame test is an example of whatb type of atomic spectroscopy? Emmsion O Absorption O Fluorescence P...

A:

Q: What is the molar absorptivity of cobalt at λmax of cobalt?

A: The data given is,

Q: Mn+4 + H2S -> Mn2+ + S0 + H+     Which element is reduced? H2S + O2 -> S8 + H2O       Which element...

A: Oxidation reduction reaction (Redox reaction) Its a chemical reaction that involve simultaneously re...

Q: What is the bond angle of NH4+

A:

Q: What is the concentration of cobalt in mM?

A: The data given is,

Q: Give systematic names for the compounds a.) b.) and c.) please

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main...

Q: A solution at 25 °C has [OH-] = 6.7 * 10 -3 . What is the pH of the solution?

A: [OH-] = 6.7 × 10-3  Temperature = 25°C  pH of the solution = ? 

Q: Part II. Give the Systematic IUPAC names of the ff compounds. (Disregard letter e) (a) (e) (e) (g) e...

A:

Q: Some measurements of the initial rate of a certain reaction are given in the table below. [N] N2 H2 ...

A:

Q: A 5.0 L balloon has a pressure of 1 atm at sea level, where the temperature is 28 ͦC. The balloon w...

A: Initial volume = 5.0 L  Initial pressure = 1 atm  Initial temperature = 28 °C  New temperature = 11 ...

Q: 2. Predict whether the following pairs of liquids would be miscible or immiscible: a. Water and meth...

A: According to like dissolve like concept polar solvents dissolve in polar solvents and non polar solv...

Q: Which is true regarding the compound C12H22011 (lactose)? O it is ionic and held together by opposit...

A: A covalent or molecular bond is formed with the sharing of electrons.

Q: Draw the structures and give the IUPAC name of the compounds that you have draw that meet the follow...

A: Given:

Q: The Atomic spectra is divided into three groups. of spectral lines which group is depicted by the il...

A:

Q: Which of the following is consider as weak electrolytes? Select one: a. sulfuric acid b. Nitric Ac...

A: Weak and strong electrolytes depend on ionisation in an aqueous solution. 

Q: Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of ...

A:

Q: A gaseous product has a mass of 2.34g and occupies a volume of 0.854 L.The temperature in the labora...

A:

Q: Which of the following best describes what occurs at absolute zero?

A: Absolute zero is 0K.

Q: 5. The magnetic flux through one turn of a 55-turn coil of wire is reduced from 29 Wb to 5.0 Wb in 0...

A: Given, N = 55 Φi = 5 Wb  Φf = 29 Wb  ∆Φ = (29-5) = 24 Wb  t = 0.80 s  I = 36000 mA = 36 A  1 A = 100...

Q: 8. Since all of the components of this rea written as a Kp value. The equation to the gas constant (...

A: Given : Note: Since Kc has been calculated in question 7. I am assuming it to be correct. We have to...

Q: Problem 1 Claim: What functional group is attached to the acetic acid? Write your answer in one (1) ...

A:

Q: How to calculate the number of moles of hydrogen in 15.0 moles of C2H6O?

A: • The values provided in the question are:-  i) Number of moles of C2H6O = 15.0 mol   

Q: Molecule ЕPG Нyb (circle if polar) 2D Lewis Structure 3D Lewis Structure MG ВА AsCl5 03

A:

Q: Give the meaning of the following acronyms? номо LUMO

A: Acronyms are used for the convience of people ( person ) .

Q: What would be a better solvent for hydrochloric acid: phosphorus pentafluoride or butanoic acid? Exp...

A: A question based on solutions that is to be accomplished.

Q: Molecule ЕPG Hyb (circle if polar) 2D Lewis Structure 3D Lewis Structure MG ВА CIF*

A:

Q: Each subsatnce absorbs or emit unoque level & quantities of energy/ e.m.r. O True O False

A: Answer: This question is based on the transition of electron from one energy level to another.

Q: Which salt could be added to an aqueous solution of HNO2 to suppress the deprotonation of the acid?S...

A: Common ion effect:  Common ion effect is observed when a salt  is added to weak acid which contains ...

Q: Naturally occurring Europium (Eu) consists of two isotopes with a mass of 151amu and 153amu. If the ...

A:

Q: 250. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The osmot...

A:

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.